hmm ok, i was watching the MIT opencourseware video on oscillations and there was a part where it was mentioned that,(adsbygoogle = window.adsbygoogle || []).push({});

the diff. eq. [tex] x''+ \frac {k}{m} x = 0 [/tex] has solution [tex] x= x_0 cos (\omega t + \phi) [/tex] if and only if [tex]\omega= \sqrt{\frac {k}{m}} [/tex]

how do i show that omega is the sqaureoot of k over m? thanks alot.

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# Hooke's law and angular freq.

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